VN3-12E indoor medium-voltage AC vacuum circuit breaker is a newest product designed by our company which is applicable to 3-phases AC50Hz, 12kV indoor switch systems. The product is with characteristics of smaller volume, reliable insulation, no pollution, long time free maintenance and so on. It is produced with standardized circuit breaker assembly line and has good performance and perfect quality.
1. Equipped with modularized operating mechanism which make the maintenance and the replacing are more convenient. The replace of module do not affect the dynamic capability and also shorten the power-off duration.
2. The interrupter and primary circuit are sealed in the epoxy resin, which makes the circuit breaker is more reliable
3. The pole using convected and ventilated technique and lower resistance vacuum circuit breaker limit the temperature rising because of circuit breaker working for a long time and also reduce the power loss.
4. The operating mechanism is designed uniquely and avoids the moving contact over-rebounding when the circuit breaker is opened and prolong the vacuum interrupter mechanical life.
5. Past the type test according to the national standards such as GB, DL, international standards of IEC, CEI, DIN, VDE and other major industrialized countries.
VN2-24 indoor high voltage AC vacuum circuit breaker is a new designed our which is applicable to air-insulated indoor switch system. The whole structure is assembled with the switch body and operating mechanism. It is produced with standardized circuit breaker assembly line and has good performance and perfect quality.
1. Have a wide range with rated current from 630a to 3150a and rated short-circuit breaking current from 20ka to 31.5ka. The mechanical life can be up to 20000 cycles.
2. Be intended for indoor installation in air-insulated switchgear and have fixed version or withdraw able version.
3. Have perfect switching-capacity which can handle any condition arising from switching of equipments and components under normal operating or fault conditions particularly short-circuit and over-load.
4. Adopt coopers vacuum interrupter which is smaller volume, lower resistance, longer lifetime, better atmosphered technique, more perfect insulation and higher breaking capacity.
5. Be with more perfect external insulation because of the vacuum interrupter and main circuit being cast in epoxy resin poles.
6. Comply with stipulations defined in standards of gb, gl, iec, cei, din, vde and other major industrialized countries.
VN1-40.5E medium-voltage AC vacuum circuit breaker is a new product designed by our company. The main circuit is with the solid insulated structure and uses the advanced epoxy resin sealed technology. Firstly it assembles a integrated sealed pole column with the vacuum interrupter, the main circuit, the insulated support and so on, which enhances the environment endurance of the vacuum circuit breaker.
1. The main circuit section and operating mechanism section is upper and lower arrangement, which optimize the electric field distribution, increase the insulated reliability, also reduce the circuit breaker depth direction size and reduce the matched switchgear depth greatly.
2. The live part of main circuit is cast in the epoxy resin cylinder, which make the interrupter be exempt from the environmental effect and the external mechanical force injury, also cause the circuit breaker no arc-over between phases and on the interrupter's surface and enhance the insulation of circuit breaker.
3.Current carries are fixed reliably in the position by the epoxy resin, do not need the extra fastener, reduce the number of accessories used for assembling circuit breaker pole columns, reduce the installation error and enhance the reliability of installing the circuit breaker.
4. As a result of using the sealed technology, the circuit breaker volume reduces greatly. The matched cabinet width is only 1200mm, heighten 2400mm, depth 2600mm.
5. The VN1 circuit breaker is based on the self-supporting structure of bottom plate, has overcome the primary contacts linking due to the circuit breaker submersion and also transport conveniently.
ASN3-12 air-insulated metal-clad enclosed switchgear is a new mv switchgear on the basis of introducing advanced techniques from foreign, abstracting our experiences in manufacturing the center located switchgear and assembling the world top class numeral controlled equipments. It is major used in 3.6~12kv 3-phase ac50/60hz power system to receive and distribute electrical power. Also it is used to control, protect and monitor the circuit.
1.The surfaces of conductors in the primary circuit are all disposed with vulcanization process. Thus the insulation lay have the characteristic of good attachment, high temperature endurance and even surface comparing with the static electricity process.
2.The frame is made of aluminum-clad zinc board together with rivet nut and high strength bolt.
3. Can be fitted with vn3 series center located high voltage ac vacuum circuit breaker.
4. With the function of manual urgent open switch, the operation is more convenient.
5. Equipped with new ek6 earthing switch, which make the operation convenient and the maintenance easily.
6.All switch operation is proceed with the door of high voltage compartment closed. Also the switchgear has the function of forcible closing the door and the safety is higher. The door can endure the inside fault current.
ASN2-24 air-insulated metal-clad enclosed switchgear is a necessary power distribution equipment in 24kV 3-phase AC50/60Hz power system. It is used in power generator, substation, factory and high building as a equipment of receiving and distributing electrical power. Also it is used to control, protect and monitor the circuit. The switchgear accords with the standard of GB3906, DL/T404 and so on.
1. Busbar is covered with shrinkable insulated material or disposed with epoxy, which make the electrode improved and the body of the switchgear compact.
2. The frame of switchgear is made of top quality aluminum-clad zinc plate through rivets and has characteristic of higher strength, rapider assembled efficiency and more artistic appearance.
3. According to functions the trolley can be divided into circuit breaker trolley, voltage transformer trolley, metering trolley, isolation trolley. The same kind trolleys can be exchanged freely.
4. Can be fitted with VN2 series center located high voltage AC vacuum circuit breaker.
5. There are clapboards between function compartments and individual pressure relief passage.
6. The instrument board is with applicable inclined angle so the operation and observation are more convenient.
7. The instrument compartment is a knock-down module, which not only improve the prettiness and safety of secondary wires but also make the maintenance and overhauling more convenient.
